<!DOCTYPE html>
<html>
	<head>
		<meta charset="utf-8">
		<title></title>
		<script type="text/javascript">
			function changgeImg(){
				img1.setAttribute("src","../Tupi/02.jpg");
				
			}
		</script>
	</head>
	<body>
		<img src="../Tupi/01.jpg" id="img1" >
		<input type="button" value="更换图片"  onclick="changgeImg()"/>
	</body>
</html>
